摘要
北京南站站房外形为椭圆形,雨篷采用新颖的拉索结构。介绍了预应力施工流程及技术要点,并采用有限元计算软件MIDAS/gen对整个张拉过程中索力的变化进行施工仿真计算。为研究温度对索力的影响程度,对拉索索力进行测量,得到全天索力变化情况。结合施工仿真计算和实测结果,提出了结构的预应力施工技术和特点。
Station building of Beijing South Station is elliptical, and novel cable structure is used in its awning. Construction process and key points of prestress technology are introduced in detail. Based on software MIDAS/gen, cable force during construction is simulated. Change laws of cable force during one day are measured to understand influence of temperature. At last, prestress construction technology and characteristics are proposed according to simulating and measuring results.
出处
《施工技术》
CAS
北大核心
2008年第5期139-140,143,共3页
Construction Technology
关键词
预应力
拉索
施工技术
仿真计算
prestress
cable structure
construction technology
simulation
